Core Viewpoint - The article discusses a tragic shooting incident that occurred in Manhattan, New York, highlighting its implications for the local business community and security concerns in urban areas [1]. Group 1: Incident Details - The shooting took place on July 28, 2025, in a high-rise building in Manhattan, targeting the NFL's office but mistakenly hitting other floors [2]. - The shooter, Shane Devon Tamura, a 27-year-old from Las Vegas, killed five people, including himself, and had a history of mental health issues [3][5]. - Tamura had a background as a football player and suffered from chronic traumatic encephalopathy (CTE), which he attributed to his injuries during his sports career [4]. Group 2: Impact on Businesses - The incident led to the closure of a large area in Midtown Manhattan, affecting major financial firms like Citadel and Jefferies Financial Group [8]. - Blackstone Group's executives described the day as "the worst in the company's history" and planned a company-wide meeting to address the situation [9]. - The Blackstone headquarters is expected to close for at least a week following the incident [10]. Group 3: Broader Context - This shooting marks the second major attack in New York City within a year, raising concerns about security in the business sector [11].